USB: usb_wwan: clean up delayed-urb submission
USB: usb_wwan: clean up delayed-urb submission

Clean up and rename delay-urb submission function using a more
descriptive name.

Also add comment on locking assumptions.

Signed-off-by: Johan Hovold <6a430eed381e126d51a8cce8db662f765ce314bc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs